\hypertarget{interfacemom__eos__unesco_1_1calculate__density__unesco}{}\doxysection{mom\+\_\+eos\+\_\+unesco\+::calculate\+\_\+density\+\_\+unesco Interface Reference} \label{interfacemom__eos__unesco_1_1calculate__density__unesco}\index{mom\_eos\_unesco::calculate\_density\_unesco@{mom\_eos\_unesco::calculate\_density\_unesco}} \doxysubsection{Detailed Description} Compute the in situ density of sea water (in \mbox{[}kg m-\/3\mbox{]}), or its anomaly with respect to a reference density, from salinity \mbox{[}P\+SU\mbox{]}, potential temperature \mbox{[}degC\mbox{]}, and pressure \mbox{[}Pa\mbox{]}, using the U\+N\+E\+S\+CO (1981) equation of state. Definition at line 22 of file M\+O\+M\+\_\+\+E\+O\+S\+\_\+\+U\+N\+E\+S\+C\+O.\+F90. \doxysubsection*{Private functions} \begin{DoxyCompactItemize} \item subroutine \mbox{\hyperlink{interfacemom__eos__unesco_1_1calculate__density__unesco_ab251eed54ba41abf0c94f5f884717f77}{calculate\+\_\+density\+\_\+scalar\+\_\+unesco}} (T, S, pressure, rho, rho\+\_\+ref) \begin{DoxyCompactList}\small\item\em This subroutine computes the in situ density of sea water (rho in \mbox{[}kg m-\/3\mbox{]}) from salinity (S \mbox{[}P\+SU\mbox{]}), potential temperature (T \mbox{[}degC\mbox{]}), and pressure \mbox{[}Pa\mbox{]}, using the U\+N\+E\+S\+CO (1981) equation of state. \end{DoxyCompactList}\item subroutine \mbox{\hyperlink{interfacemom__eos__unesco_1_1calculate__density__unesco_a98e81489ce3d72daeebc271f940951ab}{calculate\+\_\+density\+\_\+array\+\_\+unesco}} (T, S, pressure, rho, start, npts, rho\+\_\+ref) \begin{DoxyCompactList}\small\item\em This subroutine computes the in situ density of sea water (rho in \mbox{[}kg m-\/3\mbox{]}) from salinity (S \mbox{[}P\+SU\mbox{]}), potential temperature (T \mbox{[}degC\mbox{]}), and pressure \mbox{[}Pa\mbox{]}, using the U\+N\+E\+S\+CO (1981) equation of state. \end{DoxyCompactList}\end{DoxyCompactItemize} \doxysubsection{Detailed Description} Compute the in situ density of sea water (in \mbox{[}kg m-\/3\mbox{]}), or its anomaly with respect to a reference density, from salinity \mbox{[}P\+SU\mbox{]}, potential temperature \mbox{[}degC\mbox{]}, and pressure \mbox{[}Pa\mbox{]}, using the U\+N\+E\+S\+CO (1981) equation of state. Definition at line 22 of file M\+O\+M\+\_\+\+E\+O\+S\+\_\+\+U\+N\+E\+S\+C\+O.\+F90. \doxysubsection{Functions and subroutines} \mbox{\Hypertarget{interfacemom__eos__unesco_1_1calculate__density__unesco_a98e81489ce3d72daeebc271f940951ab}\label{interfacemom__eos__unesco_1_1calculate__density__unesco_a98e81489ce3d72daeebc271f940951ab}} \index{mom\_eos\_unesco::calculate\_density\_unesco@{mom\_eos\_unesco::calculate\_density\_unesco}!calculate\_density\_array\_unesco@{calculate\_density\_array\_unesco}} \index{calculate\_density\_array\_unesco@{calculate\_density\_array\_unesco}!mom\_eos\_unesco::calculate\_density\_unesco@{mom\_eos\_unesco::calculate\_density\_unesco}} \doxysubsubsection{\texorpdfstring{calculate\_density\_array\_unesco()}{calculate\_density\_array\_unesco()}} {\footnotesize\ttfamily subroutine mom\+\_\+eos\+\_\+unesco\+::calculate\+\_\+density\+\_\+unesco\+::calculate\+\_\+density\+\_\+array\+\_\+unesco (\begin{DoxyParamCaption}\item[{real, dimension(\+:), intent(in)}]{T, }\item[{real, dimension(\+:), intent(in)}]{S, }\item[{real, dimension(\+:), intent(in)}]{pressure, }\item[{real, dimension(\+:), intent(out)}]{rho, }\item[{integer, intent(in)}]{start, }\item[{integer, intent(in)}]{npts, }\item[{real, intent(in), optional}]{rho\+\_\+ref }\end{DoxyParamCaption})\hspace{0.3cm}{\ttfamily [private]}} This subroutine computes the in situ density of sea water (rho in \mbox{[}kg m-\/3\mbox{]}) from salinity (S \mbox{[}P\+SU\mbox{]}), potential temperature (T \mbox{[}degC\mbox{]}), and pressure \mbox{[}Pa\mbox{]}, using the U\+N\+E\+S\+CO (1981) equation of state. \begin{DoxyParams}[1]{Parameters} \mbox{\texttt{ in}} & {\em t} & potential temperature relative to the surface \mbox{[}degC\mbox{]}. \\ \hline \mbox{\texttt{ in}} & {\em s} & salinity \mbox{[}P\+SU\mbox{]}. \\ \hline \mbox{\texttt{ in}} & {\em pressure} & pressure \mbox{[}Pa\mbox{]}. \\ \hline \mbox{\texttt{ out}} & {\em rho} & in situ density \mbox{[}kg m-\/3\mbox{]}. \\ \hline \mbox{\texttt{ in}} & {\em start} & the starting point in the arrays. \\ \hline \mbox{\texttt{ in}} & {\em npts} & the number of values to calculate. \\ \hline \mbox{\texttt{ in}} & {\em rho\+\_\+ref} & A reference density \mbox{[}kg m-\/3\mbox{]}. \\ \hline \end{DoxyParams} Definition at line 83 of file M\+O\+M\+\_\+\+E\+O\+S\+\_\+\+U\+N\+E\+S\+C\+O.\+F90. \begin{DoxyCode}{0} \DoxyCodeLine{83 \textcolor{keywordtype}{ real}, \textcolor{keywordtype}{dimension(:)}, \textcolor{keywordtype}{intent(in)} :: T\textcolor{comment}{ !< potential temperature relative to the surface [degC].}} \DoxyCodeLine{84 \textcolor{keywordtype}{ real}, \textcolor{keywordtype}{dimension(:)}, \textcolor{keywordtype}{intent(in)} :: S\textcolor{comment}{ !< salinity [PSU].}} \DoxyCodeLine{85 \textcolor{keywordtype}{ real}, \textcolor{keywordtype}{dimension(:)}, \textcolor{keywordtype}{intent(in)} :: pressure\textcolor{comment}{ !< pressure [Pa].}} \DoxyCodeLine{86 \textcolor{keywordtype}{ real}, \textcolor{keywordtype}{dimension(:)}, \textcolor{keywordtype}{intent(out)} :: rho\textcolor{comment}{ !< in situ density [kg m-\/3].}} \DoxyCodeLine{87 \textcolor{keywordtype}{integer}, \textcolor{keywordtype}{intent(in)} :: start\textcolor{comment}{ !< the starting point in the arrays.}} \DoxyCodeLine{88 \textcolor{keywordtype}{integer}, \textcolor{keywordtype}{intent(in)} :: npts\textcolor{comment}{ !< the number of values to calculate.}} \DoxyCodeLine{89 \textcolor{keywordtype}{ real}, \textcolor{keywordtype}{optional}, \textcolor{keywordtype}{intent(in)} :: rho\_ref\textcolor{comment}{ !< A reference density [kg m-\/3].}} \DoxyCodeLine{90 } \DoxyCodeLine{91 \textcolor{comment}{! Local variables}} \DoxyCodeLine{92 \textcolor{keywordtype}{ real} :: t\_local, t2, t3, t4, t5 \textcolor{comment}{! Temperature to the 1st -\/ 5th power [degC\string^n].}} \DoxyCodeLine{93 \textcolor{keywordtype}{ real} :: s\_local, s32, s2 \textcolor{comment}{! Salinity to the 1st, 3/2, \& 2nd power [PSU\string^n].}} \DoxyCodeLine{94 \textcolor{keywordtype}{ real} :: p1, p2 \textcolor{comment}{! Pressure (in bars) to the 1st and 2nd power [bar] and [bar2].}} \DoxyCodeLine{95 \textcolor{keywordtype}{ real} :: rho0 \textcolor{comment}{! Density at 1 bar pressure [kg m-\/3].}} \DoxyCodeLine{96 \textcolor{keywordtype}{ real} :: sig0 \textcolor{comment}{! The anomaly of rho0 from R00 [kg m-\/3].}} \DoxyCodeLine{97 \textcolor{keywordtype}{ real} :: ks \textcolor{comment}{! The secant bulk modulus [bar].}} \DoxyCodeLine{98 \textcolor{keywordtype}{integer} :: j} \DoxyCodeLine{99 } \DoxyCodeLine{100 \textcolor{keywordflow}{do} j=start,start+npts-\/1} \DoxyCodeLine{101 \textcolor{keywordflow}{if} (s(j) < -\/1.0e-\/10) \textcolor{keywordflow}{then} \textcolor{comment}{!Can we assume safely that this is a missing value?}} \DoxyCodeLine{102 rho(j) = 1000.0} \DoxyCodeLine{103 cycle} \DoxyCodeLine{104 \textcolor{keywordflow}{ endif}} \DoxyCodeLine{105 } \DoxyCodeLine{106 p1 = pressure(j)*1.0e-\/5; p2 = p1*p1} \DoxyCodeLine{107 t\_local = t(j); t2 = t\_local*t\_local; t3 = t\_local*t2; t4 = t2*t2; t5 = t3*t2} \DoxyCodeLine{108 s\_local = s(j); s2 = s\_local*s\_local; s32 = s\_local*sqrt(s\_local)} \DoxyCodeLine{109 } \DoxyCodeLine{110 \textcolor{comment}{! Compute rho(s,theta,p=0) -\/ (same as rho(s,t\_insitu,p=0) ).}} \DoxyCodeLine{111 } \DoxyCodeLine{112 sig0 = r10*t\_local + r20*t2 + r30*t3 + r40*t4 + r50*t5 + \&} \DoxyCodeLine{113 s\_local*(r01 + r11*t\_local + r21*t2 + r31*t3 + r41*t4) + \&} \DoxyCodeLine{114 s32*(r032 + r132*t\_local + r232*t2) + r02*s2} \DoxyCodeLine{115 rho0 = r00 + sig0} \DoxyCodeLine{116 } \DoxyCodeLine{117 \textcolor{comment}{! Compute rho(s,theta,p), first calculating the secant bulk modulus.}} \DoxyCodeLine{118 } \DoxyCodeLine{119 ks = s00 + s10*t\_local + s20*t2 + s30*t3 + s40*t4 + s\_local*(s01 + s11*t\_local + s21*t2 + s31*t3) + \&} \DoxyCodeLine{120 s32*(s032 + s132*t\_local + s232*t2) + \&} \DoxyCodeLine{121 p1*(sp00 + sp10*t\_local + sp20*t2 + sp30*t3 + \&} \DoxyCodeLine{122 s\_local*(sp01 + sp11*t\_local + sp21*t2) + sp032*s32) + \&} \DoxyCodeLine{123 p2*(sp000 + sp010*t\_local + sp020*t2 + s\_local*(sp001 + sp011*t\_local + sp021*t2))} \DoxyCodeLine{124 } \DoxyCodeLine{125 \textcolor{keywordflow}{if} (\textcolor{keyword}{present}(rho\_ref)) \textcolor{keywordflow}{then}} \DoxyCodeLine{126 rho(j) = ((r00 -\/ rho\_ref)*ks + (sig0*ks + p1*rho\_ref)) / (ks -\/ p1)} \DoxyCodeLine{127 \textcolor{keywordflow}{else}} \DoxyCodeLine{128 rho(j) = rho0*ks / (ks -\/ p1)} \DoxyCodeLine{129 \textcolor{keywordflow}{ endif}} \DoxyCodeLine{130 \textcolor{keywordflow}{ enddo}} \end{DoxyCode} \mbox{\Hypertarget{interfacemom__eos__unesco_1_1calculate__density__unesco_ab251eed54ba41abf0c94f5f884717f77}\label{interfacemom__eos__unesco_1_1calculate__density__unesco_ab251eed54ba41abf0c94f5f884717f77}} \index{mom\_eos\_unesco::calculate\_density\_unesco@{mom\_eos\_unesco::calculate\_density\_unesco}!calculate\_density\_scalar\_unesco@{calculate\_density\_scalar\_unesco}} \index{calculate\_density\_scalar\_unesco@{calculate\_density\_scalar\_unesco}!mom\_eos\_unesco::calculate\_density\_unesco@{mom\_eos\_unesco::calculate\_density\_unesco}} \doxysubsubsection{\texorpdfstring{calculate\_density\_scalar\_unesco()}{calculate\_density\_scalar\_unesco()}} {\footnotesize\ttfamily subroutine mom\+\_\+eos\+\_\+unesco\+::calculate\+\_\+density\+\_\+unesco\+::calculate\+\_\+density\+\_\+scalar\+\_\+unesco (\begin{DoxyParamCaption}\item[{real, intent(in)}]{T, }\item[{real, intent(in)}]{S, }\item[{real, intent(in)}]{pressure, }\item[{real, intent(out)}]{rho, }\item[{real, intent(in), optional}]{rho\+\_\+ref }\end{DoxyParamCaption})\hspace{0.3cm}{\ttfamily [private]}} This subroutine computes the in situ density of sea water (rho in \mbox{[}kg m-\/3\mbox{]}) from salinity (S \mbox{[}P\+SU\mbox{]}), potential temperature (T \mbox{[}degC\mbox{]}), and pressure \mbox{[}Pa\mbox{]}, using the U\+N\+E\+S\+CO (1981) equation of state. \begin{DoxyParams}[1]{Parameters} \mbox{\texttt{ in}} & {\em t} & Potential temperature relative to the surface \mbox{[}degC\mbox{]}. \\ \hline \mbox{\texttt{ in}} & {\em s} & Salinity \mbox{[}P\+SU\mbox{]}. \\ \hline \mbox{\texttt{ in}} & {\em pressure} & pressure \mbox{[}Pa\mbox{]}. \\ \hline \mbox{\texttt{ out}} & {\em rho} & In situ density \mbox{[}kg m-\/3\mbox{]}. \\ \hline \mbox{\texttt{ in}} & {\em rho\+\_\+ref} & A reference density \mbox{[}kg m-\/3\mbox{]}. \\ \hline \end{DoxyParams} Definition at line 60 of file M\+O\+M\+\_\+\+E\+O\+S\+\_\+\+U\+N\+E\+S\+C\+O.\+F90. \begin{DoxyCode}{0} \DoxyCodeLine{60 \textcolor{keywordtype}{ real}, \textcolor{keywordtype}{intent(in)} :: T\textcolor{comment}{ !< Potential temperature relative to the surface [degC].}} \DoxyCodeLine{61 \textcolor{keywordtype}{ real}, \textcolor{keywordtype}{intent(in)} :: S\textcolor{comment}{ !< Salinity [PSU].}} \DoxyCodeLine{62 \textcolor{keywordtype}{ real}, \textcolor{keywordtype}{intent(in)} :: pressure\textcolor{comment}{ !< pressure [Pa].}} \DoxyCodeLine{63 \textcolor{keywordtype}{ real}, \textcolor{keywordtype}{intent(out)} :: rho\textcolor{comment}{ !< In situ density [kg m-\/3].}} \DoxyCodeLine{64 \textcolor{keywordtype}{ real}, \textcolor{keywordtype}{optional}, \textcolor{keywordtype}{intent(in)} :: rho\_ref\textcolor{comment}{ !< A reference density [kg m-\/3].}} \DoxyCodeLine{65 } \DoxyCodeLine{66 \textcolor{comment}{! Local variables}} \DoxyCodeLine{67 \textcolor{keywordtype}{ real}, \textcolor{keywordtype}{dimension(1)} :: T0, S0, pressure0} \DoxyCodeLine{68 \textcolor{keywordtype}{ real}, \textcolor{keywordtype}{dimension(1)} :: rho0} \DoxyCodeLine{69 } \DoxyCodeLine{70 t0(1) = t} \DoxyCodeLine{71 s0(1) = s} \DoxyCodeLine{72 pressure0(1) = pressure} \DoxyCodeLine{73 } \DoxyCodeLine{74 \textcolor{keyword}{call }calculate\_density\_array\_unesco(t0, s0, pressure0, rho0, 1, 1, rho\_ref)} \DoxyCodeLine{75 rho = rho0(1)} \DoxyCodeLine{76 } \end{DoxyCode} The documentation for this interface was generated from the following file\+:\begin{DoxyCompactItemize} \item /home/cermak/src/\+M\+O\+M6.\+devrob/src/equation\+\_\+of\+\_\+state/M\+O\+M\+\_\+\+E\+O\+S\+\_\+\+U\+N\+E\+S\+C\+O.\+F90\end{DoxyCompactItemize}